Unreal Engine Issues
Unreal Engine Issues
BP - Nativized builds will incur data loss in a Blueprint class that contains more than one ChildActor component and for which each had its child actor class set in the Details tab before being renamed away from "ChildActor" in the component editor tree.
UE - Gameplay - Blueprint - Jan 27, 2020Child actor component templates, when nativized, end up being owned by the converted Blueprint class object, rather than the child actor component template. Furthermore, we don't regenerate the chil ...
BP - Nativized build will crash at runtime if a non-nativized child that inherits from a nativized parent containing a ChildActorComponent sets the CAC class to a non-nativized child of a nativized BP class.
UE - Gameplay - Blueprint - Jan 26, 2020Current workaround: Add a dummy variable to either BP_Owner_Child or BP_CAC_Child to force one of the two to be nativized. ...
Creating BlueprintActor from EmptyActor produces an Actor with multiple DefaultSceneRoots
UE - Gameplay - Blueprint - Jan 24, 2020This does not happen with UE4.22. Maybe related to CL#7462096 and CL#7476283. These are fixes for [Link Removed]. ...
Crash hovering mouse over User Defined Struct array variable on Widget Blueprint breakpoint
UE - Gameplay - Blueprint - Jan 22, 2020Looks a crash caused by an access violation when trying to export text from the property for the tooltip. Seems to be limited to arrays of user defined structs and the Widget Blueprint editor. ...
Renaming a component in a parent blueprint can lead to data loss in its unloaded child blueprint.
UE - Gameplay - Blueprint - Jan 20, 2020A child blueprint won't be marked dirty if it hasn't been loaded and you rename a component on its parent blueprint. This can lead to a situation where the editor can be closed without prompting the ...
Nativized UMG widgets with animation tracks can sometimes assert with async loading enabled.
UE - Gameplay - Blueprint - Jan 18, 2020The incorrect use of NewObject() to instance nested class-owned subobjects will force StaticAllocateObject() to reconstruct the instance that was already constructed by the outer class ctor in nativ ...
GameplayTagQuery default property changes not propagated to instances
UE - Gameplay - Blueprint - Jan 9, 2020Expected: Changes to GameplayTagQuery properties in a blueprint should propagate to instances that haven't overriden the default value. ...
Hotreload on c++ native actor component class will cause BP edit malfunctioned
UE - Gameplay - Blueprint - Jan 9, 2020[Image Removed] When the BP editor is opened, hot-reload compile will wrongly serialize a HORRELOAD_XXX object into the BP class and package which can not be found when Editor is opened again after ...
New 'UncookedOnly' modules can incorrectly be included as a build dependency after nativization of a Blueprint asset
UE - Gameplay - Blueprint - Dec 20, 2019The new 'UncookedOnly' module type that was added in 4.24 is not visible to Blueprint nativization, and thus it does not know to exclude these module types from the generated Build.cs file when they ...
BP nativization emits incorrect C++ code for noexport-typed struct field access in some cases.
UE - Gameplay - Blueprint - Dec 18, 2019In BlueprintCompilerCppBackendUtils.cpp: #define MAP_BASE_STRUCTURE_ACCESS(x) \ BaseStructureAccessorsMap.Add(x, TEXT("#x")) Needs to be changed to: #define MAP_BASE_STRUCTURE_ACCESS(x) \ ...